function menuM(){
document.write("<ul>");
document.write("<li style='font-weight : bold;'><a href='publication.html'>Books</a></li>");
document.write("</ul>");

document.write("<ul>");
document.write("<li style='font-weight : bold;'><a href='exhibition.html'>Exhibitions</a></li>");
document.write("</ul>");

document.write("<ul>");
document.write("<li style='font-weight : bold;'><a href='lecture.html'>Lectures</a></li>");
document.write("</ul>");

document.write("<ul>");
document.write("<li style='font-weight : bold;'><a href='tv&radio.html'>Tv & Radio programs</a></li>");
document.write("</ul>");
}